Jump starter



FIG. 1 is a front view of a jump starter showing the new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a front, top, and right side perspective view thereof.

The shade lines in the Figures show contour and not surface ornamentation. The broken lines shown in the Figures are for the purpose of illustrating portions of the jump starter that form no parts of the claimed design. 

CLAIM The ornamental design for a jump starter, as shown and described. 